package com.kuang.springcloud.controller;

import com.kuang.springcloud.pojo.Dept;
import com.kuang.springcloud.service.DeptService;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;


@RestController
public class DeptController {

    @Autowired
    private DeptService deptService;

    @GetMapping("/dept/get/{id}")
    @HystrixCommand(fallbackMethod = "hystrixGet")
    public Dept queryById(@PathVariable("id") Long id){
        Dept dept = deptService.queryById(id);
        if(dept == null){
            throw new RuntimeException("id => " + id + ",不存在该用户，或者无法找到");
        }
        return dept;
    }

    //备选方法
    public Dept hystrixGet(@PathVariable("id") Long id){
        return new Dept().setDeptno(id)
                .setDename("id => " + id + "没有对应的信息，null--@Hystrix")
                .setDb_source("no this database in mysql");

    }

}
